package com.ncut.controller.admin;

import com.ncut.dto.DishDTO;
import com.ncut.dto.DishPageQueryDTO;
import com.ncut.entity.Dish;
import com.ncut.result.PageResult;
import com.ncut.result.Result;
import com.ncut.service.DishService;
import com.ncut.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * @FileName DishController
 * @Description
 * @Author Sword
 * @date 2025-07-07
 **/

@RestController("adminDishController")
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品:{}", dishDTO);

        dishService.saveWithFlavors(dishDTO);

        //删除缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        redisTemplate.delete(key);

        return Result.success();
    }

    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("分页查询:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 删除菜品
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("删除菜品:{}", ids);

        dishService.deleteBatch(ids);

        //删除所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}", id);
        DishVO dishVO = dishService.getByIdWithFlavors(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     *
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavors(dishDTO);

        cleanCache("dish_*");
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("起售、停售菜品")
    public Result startOrStop(@PathVariable Integer status, Long id) {
        log.info("起售、停售菜品：{}", id);
        dishService.startOrStop(status, id);

        cleanCache("dish_*");
        return Result.success();
    }

    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        log.info("根据分类id查询菜品：{}", categoryId);
        Dish dish = Dish.builder()
                .categoryId(categoryId)
                .build();
        List<Dish> list = dishService.list(dish);
        return Result.success(list);
    }
}
